Wijerathna, T.; Gunathilaka, N.; Gunawardena, K.; Rodrigo, W.(International Postgraduate Research Conference 2019, Faculty of Graduate Studies, University of Kelaniya, Sri Lanka, 2019)
Wijerathna, T.; Gunathilaka, N.; Gunawardena, K.; Rodrigo, W.(Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)